Which agency is responsible for administering and enforcing the Treasury Department's revenue laws? ОА
Internal Revenue Service
OB.
International Monetary Fund
Ос. .
New York Stock Exchange
OD. Social Security Administration

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is